EntriesChecker.java

/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.knowledge.base.web.internal.search;

import com.liferay.knowledge.base.exception.NoSuchArticleException;
import com.liferay.knowledge.base.model.KBArticle;
import com.liferay.knowledge.base.model.KBFolder;
import com.liferay.knowledge.base.service.KBArticleServiceUtil;
import com.liferay.knowledge.base.service.KBFolderServiceUtil;
import com.liferay.knowledge.base.service.permission.KBArticlePermission;
import com.liferay.knowledge.base.service.permission.KBFolderPermission;
import com.liferay.portal.kernel.dao.search.EmptyOnClickRowChecker;
import com.liferay.portal.kernel.dao.search.RowChecker;
import com.liferay.portal.kernel.portlet.LiferayPortletRequest;
import com.liferay.portal.kernel.portlet.LiferayPortletResponse;
import com.liferay.portal.kernel.security.permission.ActionKeys;
import com.liferay.portal.kernel.security.permission.PermissionChecker;
import com.liferay.portal.kernel.theme.ThemeDisplay;
import com.liferay.portal.kernel.util.GetterUtil;
import com.liferay.portal.kernel.util.StringBundler;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.kernel.util.WebKeys;
import com.liferay.portal.kernel.workflow.WorkflowConstants;

import javax.servlet.http.HttpServletRequest;

/**
 * @author Roberto Díaz
 */
public class EntriesChecker extends EmptyOnClickRowChecker {

	public EntriesChecker(
		LiferayPortletRequest liferayPortletRequest,
		LiferayPortletResponse liferayPortletResponse) {

		super(liferayPortletResponse);

		_liferayPortletResponse = liferayPortletResponse;

		ThemeDisplay themeDisplay =
			(ThemeDisplay)liferayPortletRequest.getAttribute(
				WebKeys.THEME_DISPLAY);

		_permissionChecker = themeDisplay.getPermissionChecker();
	}

	@Override
	public String getAllRowsCheckBox() {
		return null;
	}

	@Override
	public String getAllRowsCheckBox(HttpServletRequest request) {
		return null;
	}

	@Override
	public String getRowCheckBox(
		HttpServletRequest request, boolean checked, boolean disabled,
		String primaryKey) {

		KBArticle kbArticle = null;
		KBFolder kbFolder = null;

		long entryId = GetterUtil.getLong(primaryKey);

		try {
			kbArticle = KBArticleServiceUtil.getLatestKBArticle(
				entryId, WorkflowConstants.STATUS_ANY);
		}
		catch (Exception e) {
			if (e instanceof NoSuchArticleException) {
				try {
					kbFolder = KBFolderServiceUtil.getKBFolder(entryId);
				}
				catch (Exception e1) {
					return StringPool.BLANK;
				}
			}
			else {
				return StringPool.BLANK;
			}
		}

		boolean showInput = false;

		String name = null;

		if (kbArticle != null) {
			name = KBArticle.class.getSimpleName();

			try {
				if (KBArticlePermission.contains(
						_permissionChecker, kbArticle, ActionKeys.DELETE)) {

					showInput = true;
				}
			}
			catch (Exception e) {
			}
		}
		else {
			name = KBFolder.class.getSimpleName();

			try {
				if (KBFolderPermission.contains(
						_permissionChecker, kbFolder, ActionKeys.DELETE)) {

					showInput = true;
				}
			}
			catch (Exception e) {
			}
		}

		if (!showInput) {
			return StringPool.BLANK;
		}

		String checkBoxRowIds = getEntryRowIds();
		String checkBoxAllRowIds = "'#" + getAllRowIds() + "'";
		String checkBoxPostOnClick =
			_liferayPortletResponse.getNamespace() + "toggleActionsButton();";

		return getRowCheckBox(
			request, checked, disabled,
			_liferayPortletResponse.getNamespace() + RowChecker.ROW_IDS + name,
			primaryKey, checkBoxRowIds, checkBoxAllRowIds, checkBoxPostOnClick);
	}

	protected String getEntryRowIds() {
		StringBundler sb = new StringBundler(9);

		sb.append("['");
		sb.append(_liferayPortletResponse.getNamespace());
		sb.append(RowChecker.ROW_IDS);
		sb.append(KBArticle.class.getSimpleName());
		sb.append("', '");
		sb.append(_liferayPortletResponse.getNamespace());
		sb.append(RowChecker.ROW_IDS);
		sb.append(KBFolder.class.getSimpleName());
		sb.append("']");

		return sb.toString();
	}

	private final LiferayPortletResponse _liferayPortletResponse;
	private final PermissionChecker _permissionChecker;

}